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@article{DM_1991_3_1_a1, author = {L. A. Pomortsev}, title = {Combinatorial-symmetric analysis of multidimensional random walks}, journal = {Diskretnaya Matematika}, pages = {21--41}, publisher = {mathdoc}, volume = {3}, number = {1}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DM_1991_3_1_a1/} }
L. A. Pomortsev. Combinatorial-symmetric analysis of multidimensional random walks. Diskretnaya Matematika, Tome 3 (1991) no. 1, pp. 21-41. http://geodesic.mathdoc.fr/item/DM_1991_3_1_a1/